&c 216.1; right angle, normal; azimuth circle.
wall, precipice, cliff.
elevation, erection; square, plumb line, plummet.
V. be vertical &c adj.; stand up, stand on end, stand erect, stand
upright; stick up, cock up.
render vertical &c adj.; set up, stick up, raise up, cock up;
erect, rear, raise on its legs.
Adj. vertical, upright, erect, perpendicular, plumb, normal, straight,
bolt, upright; rampant; standing up &c v.; rectangular, orthogonal &c
216.1.
Adv. vertically &c adj.; up, on end; up on end, right on end; a plomb
[Fr.], endwise; one one's legs; at right angles.